Kim Kardashian pregnant with Kanye's baby

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Kim Kardashian is expecting!

There's going to be a new member to the Kardashian clan soon -- Kim Kardashian is pregnant with Kanye West's baby!

Kanye West announced during his Atlantic City show on Sunday night that Kim Kardashian is expecting. News spread like wildfire and celebrities from Russell Simmons to Kim's sisters Khloe and Kourtney have been expressing their excitement about Kim Kardashian's pregnancy on Twitter.

What they are saying

Khloé Kardashian Odom wrote: "Keeping secrets is hard with so many family members! Especially when you are so freaking excited!!!!! LOVE is everything!!!!"

Kourtney Kardashian also tweeted: "Been wanting to shout from the rooftops with joy and now I can! Another angel to welcome to our family. Overwhelmed with excitement!"